Unicycle roller skate



FIG. 1 is a front perspective view of a unicycle roller skate showing my new design, the side opposite being substantially a mirror image;

FIG. 2 is a side elevational view with portions of the brake cord and brake omitted for ease of illustration;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a top plan view thereof.

The brake cord member has been shown in fragment to indicate an indeterminant length. 

The ornamental design for a unicycle roller skate, as shown and described. 